Rh/θ-Al2O3/FeCrAlloy wire mesh composite catalyst for partial oxidation of natural gas

被引：15
|
作者：
Rogozhnikov, V. N. [1 ]
Snytnikov, P., V [1 ,2 ]
Salanov, A. N. [1 ]
Kulikov, A., V [1 ]
Ruban, N., V [1 ,2 ]
Potemkin, D., I [1 ,2 ]
Sobyanin, V. A. [1 ]
Kharton, V. V. [3 ]
机构：
[1] Boreskov Inst Catalysis, Pr Lavrentieva 5, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Pirogova St 2, Novosibirsk 630090, Russia
[3] RAS, Inst Solid State Phys, 2 Academician Osipyan Str, Chernogolovka 142432, Moscow Distr, Russia
来源：
MATERIALS LETTERS | 2019年 / 236卷
基金：
俄罗斯科学基金会;
关键词：
Rhodium catalyst; Catalytic partial oxidation; Natural gas conversion; Hydrogen production; Composites; Nanoparticles; METHANE;
D O I：
10.1016/j.matlet.2018.10.133
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The catalytic modules based on Rh/theta-Al2O3/FeCrAlloy wire mesh composite were designed and manufactured. Due to enhanced heat transfer properties, the module exhibits an excellent performance for natural gas partial oxidation, providing thermodynamic equilibrium product distribution and synthesis gas productivity of 56.7 m(3)L(ca)(t)(1)h(-1) (s.c.) at 800 degrees C and gas hourly space velocity (GHSV) of 80000 h(-1). The catalyst demonstrated stable operation with start/stop cycles for at least 20 h on stream. Analysis by the Brunauer-Emmett-Teller (BET) technique, X-ray diffraction and electron microscopy revealed no damages of the catalytic coating and confirmed structural stability of the catalyst under operating conditions. Despite the elevated operational temperatures achieving 940 degrees C and rapid temperature changes, the composite catalyst retained a high Rh dispersion and good adhesion of the theta-Al2O3 layer. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：316 / 319
页数：4
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